Unreal Engine Issues
Unreal Engine Issues
Mac Editor crashes when deploying
UE - Audio - Apr 17, 2017This issue occurs NO MATTER your deployment type. (e.g. PIE, Launch, Package...) This is BLOCKING all deployment from the Mac platform. This is a regression and does not occur on Windows. ...
Potential for race conditions in startup movies to cause crash
Tools - Feb 14, 2019In startup movies there is a potential for a race condition when getting the size of an FMovieViewport. This has led to crashes for licensees. The shared pointer ...
Crash when null texture parameter is present on a MIC
UE - Rendering Architecture - Materials - Apr 22, 2022From UDN: [Link Removed] Proposed fix: int32 FHLSLMaterialTranslator::TextureParameter(FName ParameterName, UTexture* InDefaultValue, int32& TextureReferenceIndex, EMaterialSamplerType SamplerType ...
Crash after network disconnection/pulling network cable
UE - Networking - Jul 11, 2019A very unfortunate bug shipped in 4.22 that causes a crash in many cases when a client is disconnected from the network, such as when unplugging the network cable. This will be a cert failure on con ...
Console command “showflag.rendering 0” causes crash
UE - Rendering Architecture - Jul 10, 2025A crash occurs when the console command “showflag.rendering 0” is executed. This does not occur in UE5.5, so it is a iassue in UE5.6. ...
[CrashReport] Crash related to looped Reroute nodes
UE - Gameplay - Blueprint - Jul 14, 2017This is a common crash affecting users in 4.15 and 4.16. User DescriptionsI connected two reroute nodes together in a circle. And well it brought me here.I connected a reroute node with a reroutnod ...
Crash when playing a packaged project containing NiagaraAudioSpectrum
UE - Audio - Submixes - May 16, 2022Assertion thrown when playing a packaged project containing NiagaraAudioSpectrum. ...
[CrashReporter] Crash in FClassExclusionData::IsExcluded() (infinite loop)
UE - Gameplay - Aug 10, 2017This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Descriptions from users are provided below. Note: This appears to be a Commandlet crash. Erro ...
TextRenderComponents not parallel safe. Can cause crash
UE - Graphics Features - Feb 28, 2017Licensee has reported intermittent crashes when loading a map that contains Child Actors with Text Render Components. When the child actor blueprint is spawned all of the text render components st ...
Send and Restart from Crash Reporter Opens Project Browser
UE - Foundation - Core - CrashReportClient - Oct 25, 2016After hitting Send and Restart from Crash Reporter, the project browser opens instead of the project that you were working in. This has been a issue from bug - UE-36429 ...